mechanical
Cross references:
1. spontaneous
me.chan.i.cal \mi-'kan-i-k*l\ \-i-k(*-)le-\ aj 1a1: of or relating to
machinery or tools 1a2: produced or operated by a machine or tool 1b: of
or relating to manual operations 2: of or relating to artisans or
machinists 3: done as if by a machine : AUTOMATIC {~ singing} 4a:
relating to, or governed by, or in accordance with the principles of m
echanics 4b: relating to the quantitative relations of force and matter 5:
caused by, resulting from, or relating to a process that involves a pur ely
physical change - me.chan.i.cal.ly av